JSFiddle - React, Tailwind, and code Playground

JavaScript

function WriteInFile (a)
 {
  var fso = new ActiveXObject("Scripting.FileSystemObject");
  var filename = "d:\\a.txt";
  var f = fso.OpenTextFile(filename, 2, true); 
  f.WriteLine(a);
  f.Close();
  }
var a = "Hello";
WriteInFile(a);